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55022495 = 5111000409
BaseRepresentation
bin1101000111100…
…1001110011111
310211112102200012
43101321032133
5103041204440
65243153435
71235453303
oct321711637
9124472605
1055022495
1129071240
121651587b
13b5264b8
147443d03
154c6ce65
hex347939f

55022495 has 8 divisors (see below), whose sum is σ = 72029520. Its totient is φ = 40016320.

The previous prime is 55022491. The next prime is 55022507. The reversal of 55022495 is 59422055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55022495 - 22 = 55022491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55022491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500150 + ... + 500259.

It is an arithmetic number, because the mean of its divisors is an integer number (9003690).

Almost surely, 255022495 is an apocalyptic number.

55022495 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55022495 is a deficient number, since it is larger than the sum of its proper divisors (17007025).

55022495 is a wasteful number, since it uses less digits than its factorization.

55022495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000425.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 55022495 is about 7417.7149446443. The cubic root of 55022495 is about 380.3470859278.

It can be divided in two parts, 55022 and 495, that multiplied together give a triangular number (27235890 = T7380).

The spelling of 55022495 in words is "fifty-five million, twenty-two thousand, four hundred ninety-five".

Divisors: 1 5 11 55 1000409 5002045 11004499 55022495