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55437070 = 2513232803
BaseRepresentation
bin1101001101111…
…0011100001110
310212022111100211
43103132130032
5103142441240
65300113034
71242131053
oct323363416
9125274324
1055437070
1129324767
121669577a
13b640100
14751102a
154d00bea
hex34de70e

55437070 has 24 divisors (see below), whose sum is σ = 108056376. Its totient is φ = 20468448.

The previous prime is 55437059. The next prime is 55437071. The reversal of 55437070 is 7073455.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55437071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14712 + ... + 18091.

It is an arithmetic number, because the mean of its divisors is an integer number (4502349).

Almost surely, 255437070 is an apocalyptic number.

55437070 is a deficient number, since it is larger than the sum of its proper divisors (52619306).

55437070 is a wasteful number, since it uses less digits than its factorization.

55437070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32836 (or 32823 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 55437070 is about 7445.6074298878. The cubic root of 55437070 is about 381.2999569043.

The spelling of 55437070 in words is "fifty-five million, four hundred thirty-seven thousand, seventy".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 32803 65606 164015 328030 426439 852878 2132195 4264390 5543707 11087414 27718535 55437070