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55033460 = 22515118223
BaseRepresentation
bin1101000111101…
…1111001110100
310211112222201022
43101323321310
5103042032320
65243320312
71235530256
oct321737164
9124488638
1055033460
11290794a9
1216520098
13b52b4a1
147447cd6
154c71325
hex347be74

55033460 has 24 divisors (see below), whose sum is σ = 116342016. Its totient is φ = 21866400.

The previous prime is 55033441. The next prime is 55033469. The reversal of 55033460 is 6433055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55033469) 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, 6092 + ... + 12131.

It is an arithmetic number, because the mean of its divisors is an integer number (4847584).

Almost surely, 255033460 is an apocalyptic number.

It is an amenable number.

55033460 is an abundant number, since it is smaller than the sum of its proper divisors (61308556).

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

55033460 is a wasteful number, since it uses less digits than its factorization.

55033460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18383 (or 18381 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 55033460 is about 7418.4540168421. The cubic root of 55033460 is about 380.3723497088.

The spelling of 55033460 in words is "fifty-five million, thirty-three thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 151 302 604 755 1510 3020 18223 36446 72892 91115 182230 364460 2751673 5503346 11006692 13758365 27516730 55033460