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55670076 = 2232721119151
BaseRepresentation
bin1101010001011…
…1010100111100
310212202022222200
43110113110330
5103222420301
65305111500
71244121300
oct324272474
9125668880
1055670076
1129473830
1216788590
13b6c2197
147571d00
154d49c86
hex351753c

55670076 has 216 divisors, whose sum is σ = 189221760. Its totient is φ = 13608000.

The previous prime is 55670063. The next prime is 55670077. The reversal of 55670076 is 67007655.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55670076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55670077) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 368601 + ... + 368751.

Almost surely, 255670076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55670076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94610880).

55670076 is an abundant number, since it is smaller than the sum of its proper divisors (133551684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55670076 is a wasteful number, since it uses less digits than its factorization.

55670076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 55670076 is about 7461.2382350385. The cubic root of 55670076 is about 381.8334206039.

The spelling of 55670076 in words is "fifty-five million, six hundred seventy thousand, seventy-six".